20030212111320 has 192 divisors, whose sum is σ = 65172412075680. Its totient is φ = 5335303292928.

The previous prime is 20030212111313. The next prime is 20030212111381. The reversal of 20030212111320 is 2311121203002.

20030212111320 is a `hidden beast` number, since 20 + 0 + 3 + 0 + 212 + 111 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20030212111293 and 20030212111302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1459601979 + ... + 1459615701.

Almost surely, 2^{20030212111320} is an apocalyptic number.

20030212111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030212111320 is an abundant number, since it is smaller than the sum of its proper divisors (45142199964360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20030212111320 is a wasteful number, since it uses less digits than its factorization.

20030212111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066 (or 18059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20030212111320 its reverse (2311121203002), we get a palindrome (22341333314322).

The spelling of 20030212111320 in words is "twenty trillion, thirty billion, two hundred twelve million, one hundred eleven thousand, three hundred twenty".